83 lines
2.1 KiB
Factor
83 lines
2.1 KiB
Factor
USING: arrays gadgets generic hashtables io kernel math
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namespaces opengl sdl sequences styles threads ;
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IN: factoroids
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: draw-sky
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flat-projection
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{ 0 1 0 } { { 0 0 1/3 1 } { 2/3 2/3 1 1 } } { 1 1/2 0 } gl-gradient ;
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: make-sky-list ( -- id )
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GL_COMPILE [ draw-sky ] make-dlist ;
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: draw-ground
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GL_DEPTH_TEST glDisable
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{ 0.0 0.0 0.0 1.0 } gl-color
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GL_QUADS [
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{ -1000 0 -1000 } gl-vertex
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{ -1000 0 1000 } gl-vertex
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{ 1000 0 1000 } gl-vertex
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{ 1000 0 -1000 } gl-vertex
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] do-state
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GL_DEPTH_TEST glEnable ;
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: (grid-square) ( -- )
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GL_POINTS [
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5 [ { 1 0 0 } n*v gl-vertex ] each
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5 [ { 0 0 1 } n*v gl-vertex ] each
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] do-state ;
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: grid-square ( w h -- )
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GL_MODELVIEW [
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[ 5 * ] 2apply 0 swap glTranslated
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(grid-square)
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] do-matrix ;
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: draw-grid ( w h -- )
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{ 1.0 1.0 1.0 1.0 } gl-color [ swap [ grid-square ] each-with ] each-with ;
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: make-ground-list ( -- id )
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GL_COMPILE [ draw-ground 50 50 draw-grid ] make-dlist ;
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SYMBOL: sky-list
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SYMBOL: ground-list
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: init-dlists
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make-sky-list sky-list set
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make-ground-list ground-list set ;
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: draw-factoroids
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[
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factoroids-gl
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sky-list get glCallList
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world-projection
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player get camera-modelview
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ground-list get glCallList
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draw-actors
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] with-gl-surface ;
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SYMBOL: last-frame
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: advance-clock ( -- time )
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millis last-frame get over last-frame set - 30 min ;
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: run-game ( -- )
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advance-clock tick-actors
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draw-factoroids
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2 sleep
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check-event [ run-game ] unless ;
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: init-actors
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V{ } clone actors set
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{ 25 1/2 25 } <player> player set
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{ 30 1/2 30 } <player> player get <follower> over set-actor-ai add-actor
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{ 15 1/2 30 } <player> player get <follower> over set-actor-ai add-actor
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{ 10 1/2 30 } <player> <dumbass> over set-actor-ai add-actor
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{ 5 1/2 30 } <player> <dumbass> over set-actor-ai add-actor
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player get add-actor ;
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: factoroids
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init-actors
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800 600 [
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init-dlists millis last-frame set run-game
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] with-gl-screen ;
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